Cubic zirconia sparkling simulated diamonds graduate in size, giving this beautiful necklace an elegant and luxurious look. Stone: Simulated Diamond 20¾ Ct. t.w. Diamond Equivalent Carat (ct.) total weight (t.w.) represents the approximate total weight of diamonds or equivalent appearance. Jewelry photos are enlarged to show detail. Carat (ct.) total weight (t.w.) represents the approximate total weight of diamonds or equivalent appearance. Metal may be rhodium plated to enhance appearance and reduce tarnishing. Quick Ship items ship directly from the manufacturer within 3 to 5 business days. Photos are enlarged to show detail.